The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 05, 2013
Filed:
Jun. 14, 2010
Applicants:
Bronwyn Power, Brownsburg, IN (US);
Liping Xu, Cambridge, GB;
Steven R Wellborn, Indianapolis, IN (US);
Inventors:
Bronwyn Power, Brownsburg, IN (US);
Liping Xu, Cambridge, GB;
Steven R Wellborn, Indianapolis, IN (US);
Assignee:
Rolls-Royce PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blade for a compressor having a pressure surface and a suction surface. The suction surface includes a discontinuity in the chord-wise curvature of an intermediate portion of the suction surface between the blade leading edge and blade trailing edge, and a slot arranged along at least a portion of the blade in a substantially span-wise direction. The slot being disposed at or near the change in curvature, such that when in use lower momentum fluid near the suction surface is aspirated into the slot.